[wix-devs] custom action only on upgrade

[Rob Mensching]

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-----Original Message-----
From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> On Behalf Of Adnan Shaheen via wix-devs
Sent: Wednesday, February 20, 2019 9:10 AM
To: wix-devs at lists.wixtoolset.org
Cc: Adnan Shaheen <shaheen4qau at gmail.com>
Subject: [wix-devs] custom action only on upgrade

Is this possible to invoke a custom action only on upgrades but not on installs and/or vice versa?

Regards:
Adnan Shaheen.